氟苯尼考对人工感染多杀性巴氏杆菌小白鼠的防治效果研究

[目的]观察抗菌药物氟苯尼考对多杀性巴氏杆菌的体外抑菌效果,评价其对人工感染多杀性巴氏杆菌小白鼠的防治效果。[方法]采用微量肉汤稀释法测定临床常用的9种抗菌药物对多杀性巴氏杆菌的抑菌效果,筛选敏感抗菌药物,进一步选择小白鼠开展预防试验和治疗试验,观察抗菌药物对人工感染多杀性巴氏杆菌小白鼠的防治效果。[结果]在9种常见的抗菌药物中,对多杀性巴氏杆菌抑菌效果最好的是氟苯尼考和多西环素,2种药物的MIC为1 μg/mL,MBC为2 μg/mL;抑菌效果最差的是延胡索酸泰妙菌素,MIC为64 μg/mL,MBC为128 μg/mL。利用多杀性巴氏杆菌人工感染小白鼠,治疗试验与预防试验均设置阴性对照组（注射生理盐水）、阳性对照组（攻毒细菌）以及药物治疗或预防组（攻毒细菌+氟苯尼考）;治疗试验获得氟苯尼考的保护率为78.6%,预防试验的保护率为84.6%。[结论]氟苯尼考对人工感染多杀性巴氏杆菌小白鼠有较好的防治效果。     

The canine stifle

Cranial cruciate ligament (CCL) injury is a leading cause of lameness in dogs. Recent advances in diagnostic visualization and surgical treatments for CCL injury have stimulated an increased emphasis on early clinical recognition and an early return to function. Many surgical treatments have been described that aim to restore stifle joint stability and minimize the progression of osteoarthritis. Major advances have occurred not only in the treatment of CCL injury, but also in postoperative recovery, specifically, rehabilitation therapy. The benefits of rehabilitation therapy following CCL surgery are multifaceted including pain relief, decreased inflammation and swelling, increased tissue flexibility, strengthening, improved proprioception, improved limb and joint biomechanics, and improved weight-bearing. In this article, we introduce a variety of rehabilitation therapy options for postoperative CCL patients including modalities, manual therapy, therapeutic exercise, and the benchmarks for a full return to function.     

抗体滴度可作为鸡毒支原体药物疗效的评价指标

以泰乐菌素、硫氰酸红霉素、克拉霉素、强力霉素作为供试药物,通过鸡毒支原体人工感染鸡群的治疗试验,对其药效评价方法进行比较。结果显示,对鸡毒支原体敏感性高的泰乐菌素治疗组鸡群的抗体阳性率,特别是抗体滴度明显比低敏的强力霉素组低,且抗体滴度的高低与鸡群炎症变化率呈正相关。数据表明,抗体滴度可作为鸡毒支原体药物疗效的又一种评价指标。     

吡喹酮注射液的临床药效和靶动物安全性研究

研究30%吡喹酮注射液的临床药效和靶动物安全性,为其临床合理用药提供依据。通过实验性临床试验和扩大临床试验,考察吡喹酮注射液对自然感染血吸虫病牛的临床治疗效果。通过给药前后临床体征、血常规及血清生化指标的比较,评价吡喹酮注射液对靶动物水牛的安全性。实验性临床试验中,吡喹酮注射液高(20 mg/kg)、中(10 mg/kg)、低(5 mg/kg)剂量组的毛蚴转阴率分别为100%(8/8)、100%(9/9)、77.8%(7/9)。扩大临床试验中,吡喹酮注射液推荐剂量组(10 mg/kg)的毛蚴转阴率为100%(52/52)。靶动物安全性试验中,吡喹酮注射液至少在3倍推荐剂量(30 mg/kg)范围内对靶动物水牛的血常规和血清生化指标无明显影响(P0.05)。30%吡喹酮注射液按推荐剂量(10 mg/kg)肌内注射给药,对牛血吸虫病具有良好的治疗效果,临床应用安全。     

噬菌体治疗制剂的研究进展

从噬菌体作为治疗制剂的前提条件、噬茵体的药物动力学特征、噬菌体可能携带的有害基因、噬菌体产物、噬菌体治疗的实例等方面综述了噬菌体作为治疗制剂的研究进展,旨在通过介绍用噬菌体替代抗生素治疗由细菌引起的感染的机理,为细菌性疾病的治疗提供新的思路和方法.     

“顽痹”之中医治则掇要

本文认为“顽痹”的治则要点为：扶正祛邪,分清主次先后,常需二者兼顾;明辨标本,审察虚实缓急,多宜标本同治;异法方宜,当因时因地因人,区别对待;宣散温通,据不通之所在而通之,注重温阳通络;综合治疗,多因素、多层次、多属性调治。     

Regulation of influenza virus infection by microRNAs

MicroRNAs(miRNAs) are small noncoding RNAs of 18–25 nucleotides(nt) in length that represent key regulators of many normal cellular functions through the inhibition of mRNA translation and mRNA degradation. To date, over 2 500 mature miRNAs have been identified in plants, animals and several types of viruses. Influenza A virus(IAV), which is a negativesense, single-stranded RNA virus, does not encode viral miRNA. However, IAV infection can alter the expression of host miRNAs, either in cell culture or in host. In turn, host miRNAs regulate IAV life cycle through directly binding to IAV genome or indirectly targeting host factors associated with viral replication. In this review, we briefly summarized the role and significance of miRNA in relation to IAV pathogenesis. Understanding the role of cellular miRNAs during viral infection may be beneficial to the identification of novel therapeutic strategies to block IAV replication.     

抗生素联合使用对肉鸡呼吸道综合症治疗效果的影响

选用四种针对呼吸系统的抗生素,通过对发病鸡群进行集中饮水投药,对不同成分的抗生素在肉鸡呼吸道综合症中的治疗效果进行评价。结果显示：鸡群饮用10%阿奇霉素和10%替米考星后,死亡率降低10%,采食量提高了24%;饮用泰妙菌素和多西环素,死亡率降低7%,采食量提高14%;饮用单纯的泰妙菌素后,死亡率降低5%,采食量提高5%。结果表明：抗生素有选择的联合使用能有效提高肉鸡呼吸道综合症的治疗效果,降低产生耐药性的可能,能防治肉鸡饲养管理过程中出现的病症,降低总体饲养成本,提高肉鸡生产的经济效益。     

甲状腺结节诊疗规范探讨

甲状腺结节是内分泌系统的常见病,发现甲状腺结节后需行影像学检查如B超等证实其客观存在,然后结合患者的症状、体征、实验室检查、影像学特点及细胞病理学检查结果以明确甲状腺结节性质,甲状腺结节诊断的关键是良、恶性的鉴别,对指导治疗具有非常重要的意义。良性结节选用手术、左甲状腺素（levothyroxine,L-T4）、¹³¹I、经皮酒精注射及中医中药等治疗,恶性结节可选用手术、¹³¹I、抑制促甲状腺激素（thyroid stimulating hormone,TSH）等治疗。     

试论中医治则学在高校图书馆危机管理中的运用

依据中医治则学的理论,从“治未病、治病求本、三因制宜、调整阴阳和调理脏腑”等方面阐述了高校图书馆应该全面、客观地看待各种危机现象,合理规避危机,将危机带来的影响降到最低。